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Bright Supernovae - 2011.

Bright Supernovae - 2011

This data comes from IAU Circulars and occasionally more data will be provided on IAU's Astronomical Headlines page. An archive of the 2011 updates to this page is available.

This is an archove of the supernovae discovered in 2011. Please look at the main page for the latest data.   Note that Extra galactic Novae have been moved to a special Extra galactic novae page.   For more information, you can look at the following Supernova Catalogs:

  • IAU List of Supernovae since 1885
  • Mike Richmond's Supernova list

    For the year 2011, 902 supernovae (585 last year) 293 of these supernovae were named by CBAT, 89 were given possible supernova designations, and 520 were not reported to CBAT. See the 2011 statistics page for more information.   The brightest SN of the year are 2011fe (Mag 9.9), 2011ja (Mag 11.7), 2011dh (Mag 12.1), 2011iv (Mag 12.1), 2011iy (Mag 12.2), 2011by (Mag 12.5), 2011B (Mag 12.8), followed by 2011ae (Mag 13.0), 2011ao (Mag 13.9), and 2011aa (Mag 13.9).  

    2011kl (= GRB 111209A), CBET 4196 discovered 2011/12/09.000 by Swift Burst Alert Telescope at R.A. = 00h57m22s.64, Decl. = -46°48'03".6 Mag 20.0:12/9, Type SLSN-Ic (z=0.677) (References: GCN 12632, GCN 12648 Nature Article)

    SNHunt85, SNHunt discovered 2011/10/21.270 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in UGC 889 at R.A. = 01h21m09s.90, Decl. = +17°51'45".0
    Located 9" west and 23" south of the center of UGC 889 (Discovery image) (Stan Howerton image)
    Mag 21.0:10/21, Type unknown

    SNHunt84, SNHunt discovered 2011/10/18.000 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in CGCG 505-55 at R.A. = 02h50m48s.20, Decl. = +33°30'46".0
    Located 0" east and 0" north of the center of CGCG 505-55 (Discovery image)
    Mag 20.0:10/18, Type unknown (image subtraction)

    SNHunt82, SNHunt discovered 2011/10/06.280 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in UGC 2553 at R.A. = 03h08m31s.30, Decl. = +20°46'31".0
    Located 9" east and 12" north of the center of UGC 2553 (Discovery image) (Stan Howerton image)
    Mag 20.0:10/6, Type unknown

    SNHunt79, SNHunt discovered 2011/09/30.000 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in NGC 2445 at R.A. = 07h46m54s.30, Decl. = +39°01'22".0
    Located 0" east and 0" north of the center of NGC 2445 (Discovery image)
    Mag 20.0:9/30, Type LBV?

    SNHunt70, SNHunt discovered 2011/07/24.610 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in IC 5034 at R.A. = 20h43m41s.10, Decl. = -57°02'14".0
    Located 1" west and 35" south of the center of IC 5034 (Discovery image) (Stan Howerton image)
    Mag 19.7:7/24, Type unknown

    SNHunt55, SNHunt discovered 2011/05/08.130 by Catalina Real-Time Transient Survey
    Found in an anonymous galaxy at R.A. = 11h02m30s.70, Decl. = +02°37'13".0
    Located 0" east and 5" north of the center of host galaxy (Discovery image) (Stan Howerton image)
    Mag 19.0:5/8, Type unknown

    SNHunt51, SNHunt discovered 2011/04/24.470 by Catalina Real-Time Transient Survey
    Found in PGC 159645 at R.A. = 14h04m22s.10, Decl. = -15°13'15".0
    Located 20" east and 9" north of the center of PGC 159645 (Discovery image) (Stan Howerton image)
    Mag 20.5:4/24, Type LBV?

    SNHunt49, SNHunt discovered 2011/03/29.120 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in an anonymous galaxy at R.A. = 04h09m06s.80, Decl. = +15°30'47".0
    Located 9" east and 3" south of the center of the host galaxy (Discovery image) (Stan Howerton image)
    Mag 20.0:3/29, Type unknown

    SNHunt45, SNHunt discovered 2011/03/14.270 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in NGC 3601 at R.A. = 11h15m33s.50, Decl. = +05°07'02".0
    Located 4" east and 7" north of the center of NGC 3601 (Discovery image) (Stan Howerton image)
    Mag 20.0:3/14, Type LBV?

    SNHunt41, SNHunt discovered 2011/03/05.070 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in UGC 3753 at R.A. = 07h13m55s.20, Decl. = +23°14'09".0
    Located 10" west and 12" south of the center of UGC 3753 (Discovery image) (Stan Howerton image)
    Mag 20.0:3/5, Type LBV?

    PSN J22161124+2754248 (= SNhunt98), CBAT TOCP discovered 2011/12/31.070 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in MCG +5-52-6 at R.A. = 22h16m11s.24, Decl. = +27°54'24".8
    Located 6" west and 4" north of the center of MCG +5-52-6 (Discovery image) (Joseph Brimacombe image) (William Wiethoff image) (Stan Howerton image)
    Mag 17.4:1/14 (17.2:12/31), Type unknown

    TCP J15063158+0926356 (= SNhunt106), CBAT TOCP discovered 2011/12/30.540 by Catalina Real-Time Transient Survey and Stan Howerton
    Found in UGC 9708 at R.A. = 15h06m31s.56, Decl. = +09°26'35".6
    Located 13" west and 23" south of the center of UGC 9708 (Discovery image) (Confirmation image) (Joseph Briamcombe image) (Federica Luppi and Luca Buzzi image)
    Mag 19.4:1/20, Type unknown

    MASTER074423.15+525320.5, ATEL 3935 discovered 2011/12/30.587 by MASTER robotic Net at R.A. = 07h44m23s.15, Decl. = +52°53'20".5 Mag 21.6:2/19 (18.8:12/30), Type unknown (Discovery image) (Joseph Brimacombe image) (William Wiethoff image unconfirmed)

    2011kf (= CSS111230:143658+163057) CBET 3463 discovered 2011/12/30.52 by Catalina Real-Time Transient Survey at R.A. = 14h36m57s.53, Decl. = +16°30'56".6 Mag 19.2:1/27 (18.6:12/30), Type Ic (z=0.245) (Discovery image) (Joseph Brimacombe image) (References: ATEL 3873 ATEL 3883)